Help strange substance growing on my tank silicone and silicone tubing

[Essaf Victor]

Help strange substance growing on my tank silicone and silicone tubing
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[Essaf Victor]

And here is it from another spot
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[Thyroyalgeek]

This is late, but I get the stuff on my driftwood, I usually just scrub it off every time it comes up and it eventually just stops.